4周搞定2000+托福核心词
支柱
mainstay
常考释义
Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges.
自从中东地区的商旅们成功跨越周围的戈壁，只有水路和山峦还是障碍时，贸易就成为了中东地区城市经济的主要支柱。
来源于：阅读OFFICIAL16 P1n. 主要的依靠; 支柱
Cocoa is the country's economic mainstay.
可可是这个国家的经济支柱。
Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges.
自从中东地区的商旅们成功跨越周围的戈壁，只有水路和山峦还是障碍时，贸易就成为了中东地区城市经济的主要支柱。
来源于：阅读OFFICIAL16 P1以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
